In APQR, PR is extended through point R to point S, mZQRS = (7x+8)°, mZRPQ = (x +12)', and mZPQR= (3x + 20°. Find mZRPQ.

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5